662078644252 has 12 divisors (see below), whose sum is σ = 1158661266280. Its totient is φ = 331032568176.

The previous prime is 662078644243. The next prime is 662078644277. The reversal of 662078644252 is 252446870266.

It is a self number, because there is not a number n which added to its sum of digits gives 662078644252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464627 + ... + 1862602.

Almost surely, 2^662078644252 is an apocalyptic number.

It is an amenable number.

662078644252 is a deficient number, since it is larger than the sum of its proper divisors (496582622028).

662078644252 is a wasteful number, since it uses less digits than its factorization.

662078644252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376980 (or 3376978 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 662078644252 in words is "six hundred sixty-two billion, seventy-eight million, six hundred forty-four thousand, two hundred fifty-two".